<template>
  <div>
    <div>
      <div>
        <!-- //搜索框 -->
        <el-amap-search-box
          :search-option="searchOption"
          :on-search-result="onSearchResult"
        />
        <!-- 地图 -->
        <el-amap
          class="amap-box"
          :zoom="amap.zoom"
          :center="amap.center"
          :plugin="amap.plugin"
          :events="amap.events"
        >
          <!-- 当前位置图标 -->
          <el-amap-marker
            v-for="(marker, index) in amap.markers"
            :key="'marker' + index"
            :position="marker.position"
          />
          <!-- 位置名称显示 -->
          <el-amap-text
            v-for="(marker, index) in amap.markers"
            :key="'text' + index"
            :text="marker.text"
            :offset="marker.offset"
            :position="marker.position"
          />
        </el-amap>
      </div>
    </div>
  </div>
</template>
<script>
// 初始数据
function getFormData() {
  return {
    lat: '39.909186',
    lon: '116.39746',
    orgAddr: '天安门',
    province: '',
    city: '',
    district: ''
  }
}

export default {
  name: 'Map',
  data() {
    const vm = this
    return {
      // form对象
      dataForm: getFormData(),
      // 地图搜索对象
      searchOption: {
        city: '全国',
        citylimit: true
      },
      lng: 0,
      lat: 0,
      // 地图对象
      amap: {
        zoom: 16,
        center: [116.3975, 39.908],
        events: {
          // 点击获取地址的数据
          click(e) {
            const { lng, lat } = e.lnglat
            vm.dataForm.lon = lng
            vm.dataForm.lat = lat
            // 这里通过高德 SDK 完成。
            var geocoder = new AMap.Geocoder({
              radius: 100,
              extensions: 'all'
            })
            geocoder.getAddress([lng, lat], function(status, result) {
              if (status === 'complete' && result.info === 'OK') {
                if (result && result.regeocode) {
                  console.log('点击获取地址的数据', result)
                  vm.dataForm.orgAddr = result.regeocode.formattedAddress
                  vm.dataForm.province = result.regeocode.addressComponent.province
                  vm.dataForm.city = result.regeocode.addressComponent.city
                  vm.dataForm.district = result.regeocode.addressComponent.district
                  vm.dataForm.lat = lat ? lat.toString() : ''
                  vm.dataForm.lon = lng ? lng.toString() : ''
                  vm.amap.markers = []
                  const obj = {
                    position: [lng, lat],
                    text: result.regeocode.formattedAddress,
                    offset: [0, 30]
                  }
                  vm.amap.markers.push(obj)
                  vm.sure()
                }
              }
            })
            vm.$nextTick()
          }
        },

        plugin: [
          {
            // 定位
            pName: 'Geolocation',
            events: {
              init(o) {
                // o是高德地图定位插件实例
                o.getCurrentPosition((status, result) => {
                  console.log('定位：', result)
                  if (result && result.position) {
                    // 设置经度
                    vm.lng = result.position.lng
                    // 设置维度
                    vm.lat = result.position.lat
                    // 设置坐标
                    vm.amap.center = [vm.lng, vm.lat]
                    const op = {
                      position: [vm.lng, vm.lat],
                      text: result.formattedAddress,
                      offset: [0, 30]
                    }
                    vm.amap.markers.push(op)
                    // 页面渲染好后
                    vm.$nextTick()
                  }
                })
              }
            }
          }
        ],
        //
        markers: []
      }
    }
  },
  created() {},
  methods: {
    // 地图搜索回调
    onSearchResult(pois) {
      const vm = this
      vm.amap.markers = []
      let latSum = 0
      let lngSum = 0
      console.log('地图回调', pois)
      if (pois.length > 0) {
        pois.forEach((poi, index) => {
          const { lng, lat } = poi
          if (index === 0) {
            lngSum = lng
            latSum = lat
            const obj = {
              position: [poi.lng, poi.lat],
              text: poi.name,
              offset: [0, 30]
            }
            vm.amap.markers.push(obj)
            console.log('地图搜索回调', poi)
            vm.dataForm.orgAddr = poi.name
            vm.dataForm.lat = poi.lat ? poi.lat.toString() : ''
            vm.dataForm.lon = poi.lng ? poi.lng.toString() : ''
          }
        })
        vm.amap.center = [lngSum, latSum]
      }
    },
    // 提交方法
    sure() {
      const vm = this
      this.$emit('updateLocation', vm.dataForm)
    }
  }
}
</script>
<style lang="scss" scoped>
.amap-box {
      height: 700px
}
.el-vue-search-box-container {
  // top: 45px;
  width: 30% !important;
  margin-bottom: 20px;
}
.search-box {
  position: absolute;
  z-index: 5;
  width: 70%;
  left: 13%;
  top: 10px;
  height: 30px;
}

.search-box .el-input {
  float: left;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  border-radius: 0 7px 7px 0;
  outline: none;
  position: relative;
}

.search-box .el-button {
  position: absolute;
  right: 0;
  top: 1px;
  width: 20%;
  background: #38a28a;
  border-radius: 0 7px 7px 0;
  border: none;
  color: #fff;
  outline: none;
}

.tip-box {
  text-align: center;
  width: 100%;
  position: absolute;
  top: 35px;
  padding: 10px 0;
  background-color: #fff;
  opacity: 0.8;
}
</style>
